The most effective methods of birth control are sterilization by means of vasectomy in males and tubal ligation in females, intrauterine devices (IUDs) and implantable contraceptives. This is followed by a number of hormonal contraceptives including oral pills, patches, vaginal rings, and injections.
Strongyloides StronÂ·gyÂ·loiÂ·des (strÅn'jÉ-loi'dÄz) n. A genus of small nematode intestinal parasites that includes the species that causes strongyloidiasis in humans.
Lewisia related species: The best-known lewisia is undoubtedly L. rediviva, also called bitter root lewisia; its starchy roots, once consumed by Native Americans, are bitter to the taste if not harvested at the right season. Bitter root lewisia has thick, fleshy, deciduous leaves and pink to white flowers.L. cotyledon has persistent leaves and grows in the form of matlike rosettes. Its flowers are white with pink veins or red stripes.Hybrid lewisias have become available that are said to be easier to grow.escription of lewisia: When not in flower, lewisias could almost be mistaken for succulents. Their thick, waxy leaves look much like those of the popular hens-and-chicks. In bloom, though, they are quite different from any other plant.